Yes, the act of writing papers on behalf of others according to the legal basis violates social public order and good customs and is an invalid legal act. Invalid legal acts are not legally binding from the beginning, and civil legal acts are invalid. The property acquired by the actor as a result of the act shall be returned; If it is impossible or unnecessary to return it, it shall be compensated at a discount. The party at fault shall compensate the other party for the losses thus suffered; If all parties are at fault, they shall bear their respective responsibilities.